کتاب 'توتال اینگلیش' پیشرفته - واحد 8 - درس 3

serious and of great importance

to be the reason for a specific incident or result

to make something happen, usually something bad

to cause something to occur

having significant effects, implications, or consequences that extend over a wide area or range

a possible consequence that something can bring about

to have an effect on a particular person or thing

to create a particular situation or event

to originate from a particular source or factor

the point or place where something has its foundation or beginning

the primary cause of something

to produce or give rise to something, often by creating the conditions or circumstances that are necessary for its emergence or development